I agree that most of these features should be opt-in (Cortana is, at the very least), but most of the privacy options are in a central location in Win10. The pr

I agree that most of these features should be opt-in (Cortana is, at the very least), but most of the privacy options are in a central location in Win10. The problem is more that you have to know they exist in the first place, which is why being opt-out is such a big issue.